[mythtv-users] HELP! - More failures while recording - IOBOUND - blocking in ThreadedFileWriter::Write()

[Kevin Kuphal]

Mark Knecht wrote:

>HELP!
>
>WAF & KAF have gone to ZERO!
>
>For the last two days I've been failing to record properly when
>recording two shows. The mythbackend log file is filling with messages
>such as this:
>
>2005-09-23 08:29:41.168 IOBOUND - blocking in ThreadedFileWriter::Write()
>2005-09-23 08:29:41.190 IOBOUND - blocking in ThreadedFileWriter::Write()
>2005-09-23 08:29:41.202 IOBOUND - blocking in ThreadedFileWriter::Write()
>2005-09-23 08:29:41.248 IOBOUND - blocking in ThreadedFileWriter::Write()
>2005-09-23 08:29:41.266 IOBOUND - blocking in ThreadedFileWriter::Write()
>2005-09-23 08:29:41.278 IOBOUND - blocking in ThreadedFileWriter::Write()
>2005-09-23 08:29:41.301 IOBOUND - blocking in ThreadedFileWriter::Write()
>2005-09-23 08:29:41.330 IOBOUND - blocking in ThreadedFileWriter::Write()
>2005-09-23 08:29:41.367 IOBOUND - blocking in ThreadedFileWriter::Write()
>2005-09-23 08:29:44.473 IOBOUND - blocking in ThreadedFileWriter::Write()
>2005-09-23 08:29:44.666 IOBOUND - blocking in ThreadedFileWriter::Write()
>  
>
My understanding is that IOBOUND means that it cannot read from or write 
to the disk fast enough.  Sounds like your NFS mount is not performing 
as expected.  All the standard network troubleshooting suggestions apply 
as well as using local disk instead of NFS.

Kevin